Chemistry Letters p. 635 - 638 (1980)
Update date:2022-08-11
Topics:
Mukaiyama, Teruaki
Fujimoto, Katsumi
Hirose, Takuji
Takeda, Takeshi
Highly optically pure β-substituted γ-butyrolactones (V) were obtained in good yields by the reaction of (E)-(2R,3S)-6-alkylidene-3,4-dimethyl-2-phenylperhydro-1,4-oxazepine-5,7-dione (I) with phenylthiomethyllithium, followed by i) treatment with trimethyloxonium tetrafluoroborate and ii) acid hydrolysis.
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(1994)
